In her comprehensive study on the behavior of substances under varying temperatures, Dr. Evelyn Harper elucidates the intricate dynamics of phase changes. She emphasizes the transition from the __________ gradual melting of ice, which occurs predictably as heat is applied, to the rapid and vigorous boiling of water, where molecules gain enough energy to transition into a gaseous state.

Which choice completes the text with the most logical and precise word or phrase?

Ursula Todd, the protagonist of Kate Atkinson's novel 'Life After Life,' experiences a series of rebirths, each time living a different version of her life. Her journey is _______ with moments of joy, sorrow, and everything in between. Through these varied experiences, Ursula gains a profound understanding of the human condition and the complexities of existence.

Which choice completes the text with the most logical and precise word or phrase?

 Galileo Galilei, an astronomer who formulated the laws of motion and made significant astronomical observations, undoubtedly made a profound impact on science, but his place in our historical memory is perhaps more _______ than that of Albert Einstein, whose theory of relativity revolutionized our understanding of the universe, an achievement for which he will long be celebrated.

Which choice completes the text with the most logical and precise word or phrase?

The following text is adapted from a medical textbook on human anatomy. The circulatory system is a complex network of blood vessels that transport blood throughout the body. The heart pumps oxygenated blood through arteries to various tissues, while veins return deoxygenated blood back to the heart. This system is crucial for delivering nutrients and removing waste products from cells.

Which choice best states the main purpose of the text?

The rules of subject-verb agreement in English grammar are often straightforward, but there are numerous exceptions that can complicate matters. One common misconception is that subjects and verbs must always agree in number. However, certain constructions, such as those involving collective nouns or phrases that come between the subject and the verb, can lead to confusion. For instance, in the sentence "The team, along with its coach, is arriving," the subject "team" is singular, so the verb "is" must also be singular, despite the plural noun "coach" appearing nearby.

Which choice best describes the function of the underlined portion in the text as a whole?